%0 Journal Article
%A V. V. Vasin
%A V. P. Tanana
%T Necessary and sufficient conditions for convergence of projection methods for linear unstable problems
%J Doklady Akademii Nauk
%D 1974
%P 1032-1034
%V 215
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_215_5_a2/
%G ru
%F DAN_1974_215_5_a2